OMass Therapeutics

Biotechnology ResearchOxford, England, United KingdomFounded 201676 employees$162M raised

OMass Therapeutics is a UK-based biotech company that uses mass spectrometry to discover new drugs, particularly for membrane receptors and other complex targets. The company has raised $162M, including a Series B in May 2023, and employs 76 people.

Employees
76
Total raised
$162M
Last: Series B
Open roles
2
0% vs last year
Site visitors
5K
per month
Alumni founders

The growth story

OMass Therapeutics headcount and funding76 people today
89$95M$13M7620222023202420252026
Data by CrustdataCrustdata

OMass Therapeutics grew from 60 to 76 employees between 2022 and 2026, raising $162M along the way, most recently a Series B in May 2023.

About

OMass Therapeutics develops drug discovery tools based on high-resolution mass spectrometry, which allows them to study intact protein assemblies and identify drug candidates that modulate complex formation. Their focus is on membrane receptors and other complex targets for severe unmet medical needs.

The company has raised $162M from notable investors including Syncona, GV, and Sanofi Ventures, with its latest Series B closing in May 2023. With 76 employees, OMass operates primarily in research, leveraging its proprietary technologies to advance drug discovery.

Founders and leadership

OMass Therapeutics is led by a research-focused team, with 26 employees dedicated to research functions. The company is headquartered in Oxford, England, and maintains a relatively flat organizational structure with a median tenure of 2 years.

The OMass Therapeutics org chart

Ros Deegan (CEO) leads 20 mapped leaders with 4 direct reports. Click +N to expand a team; names link to the person’s public profile.

Departments, and which ones grew

Headcount by functiongrowth vs 12 months ago
RResearch
32-20%
BBusiness Development
140%
AAdministrative
5-17%
EEngineering
30%
OOperations
3-25%
EEducation
30%
Data by CrustdataCrustdata

Headcount by function: Research 32 (-20% YoY), Business Development 14 (0% YoY), Administrative 5 (-17% YoY), Engineering 3 (0% YoY), Operations 3 (-25% YoY), Education 3 (0% YoY).

Talent flow

OMass recruits heavily from GSK, the University of Nottingham, and the University of Oxford, with 9, 7, and 4 hires respectively. Alumni often move to academic institutions like the University of Oxford or biotech firms such as Nxera Pharma and Amphista Therapeutics.

Where OMass Therapeutics people come from, and where they go55 current + 58 former profiles
9 people: GSK → OMass Therapeutics7 people: University of Nottingham → OMass Therapeutics4 people: University of Oxford → OMass Therapeutics3 people: AstraZeneca → OMass Therapeutics3 people: Excellerate Bioscience → OMass Therapeutics3 people: Evotec → OMass Therapeutics2 people: Autolus Therapeutics → OMass Therapeutics2 people: Bicycle Therapeutics → OMass Therapeutics4 people: OMass Therapeutics → University of Oxford3 people: OMass Therapeutics → Nxera Pharma2 people: OMass Therapeutics → Ellison Institute of Technology Oxford2 people: OMass Therapeutics → University of Nottingham1 people: OMass Therapeutics → Amphista Therapeutics1 people: OMass Therapeutics → SV Health Investors1 people: OMass Therapeutics → Immusoft1 people: OMass Therapeutics → Oxford Science EnterprisesOMass Therapeutics76 peopleCAME FROMWENT TOGSK9 peopleUniversity of Notti…7 peopleUniversity of Oxford4 peopleAstraZeneca3 peopleExcellerate Bioscie…3 peopleEvotec3 peopleAutolus Therapeutics2 peopleBicycle Therapeutics2 peopleUniversity of Oxford4 peopleNxera Pharma3 peopleEllison Institute o…2 peopleUniversity of Notti…2 peopleAmphista Therapeuti…1 peopleSV Health Investors1 peopleIImmusoft1 peopleOxford Science Ente…1 people
Data by CrustdataCrustdata

Most common previous employers of OMass Therapeutics staff: GSK (9), University of Nottingham (7), University of Oxford (4), AstraZeneca (3), Excellerate Bioscience (3), Evotec (3). Former OMass Therapeutics employees most often moved to University of Oxford (4), Nxera Pharma (3), Ellison Institute of Technology Oxford (2), University of Nottingham (2), Amphista Therapeutics (1), SV Health Investors (1).

Alumni worth knowing

Web traffic

omass.com monthly visitors-4% month over month
1,4104,7818,1515,494202420252026
Data by CrustdataCrustdata

Traffic mix: 0% direct, 0% search, 0% social, 0% paid.

What this company is made of

Headcount by skillwhat people list on their profiles
MMolecular Biology
24
DDrug Discovery
22
LLife Sciences
22
BBiochemistry
20
RResearch Skills
18
PPharmaceutics
18
BBiotechnology
17
DDrug Development
16
CCell Biology
16
CCell Culture
16
Data by CrustdataCrustdata

Most common skills at OMass Therapeutics: Molecular Biology (24), Drug Discovery (22), Life Sciences (22), Biochemistry (20), Research Skills (18), Pharmaceutics (18), Biotechnology (17), Drug Development (16).

Where the team actually sits

Headcount by regionHQ: Oxford, England, United Kingdom
EEngland, United Kingdom
31
UUnited Kingdom
12
GGreater Oxford Area
6
GGreater Nottingham
2
DDenmark
1
MMassachusetts, United States
1
GGreater Colorado Springs Area
1
CCologne Bonn Region
1
Data by CrustdataCrustdata

OMass Therapeutics people are concentrated in England, United Kingdom (31), United Kingdom (12), Greater Oxford Area (6), Greater Nottingham (2).

Search footprint

Organic clicks
322
per month
Traffic worth
$0K
if bought as ads
Ranking keywords
71

OMass Therapeutics attracts about 322 organic search visits a month, traffic worth roughly $0K a month if bought through ads. It gained 3 ranking keywords and lost 13 in the last period.

What employees say

Compensation
3.80 / 5
Career opportunities
3.40 / 5
Senior management
4.10 / 5
Work-life balance
4.60 / 5

Frequently asked

How many employees does OMass Therapeutics have?

OMass Therapeutics has 76 employees as of September 2026.

How much has OMass Therapeutics raised?

OMass Therapeutics has raised $162M in total, most recently a Series B round in May 2023.

Who founded OMass Therapeutics?

OMass Therapeutics was founded in 2016 by Jonathan Hopper.

Who is the CEO of OMass Therapeutics?

Ros Deegan (CEO) sits at the top of OMass Therapeutics's reporting structure, with 4 direct reports.

Where does OMass Therapeutics hire from?

The most common previous employers of current OMass Therapeutics staff are GSK (9 people), University of Nottingham (7 people), University of Oxford (4 people).

Where do OMass Therapeutics employees go after leaving?

Former OMass Therapeutics employees most often move to University of Oxford (4), Nxera Pharma (3), Ellison Institute of Technology Oxford (2).

How much traffic does OMass Therapeutics get from search?

OMass Therapeutics attracts about 322 organic search visits a month, worth roughly $0K a month in equivalent ad spend.

What skills do people at OMass Therapeutics have?

The most common skills among OMass Therapeutics staff are Molecular Biology, Drug Discovery, Life Sciences, Biochemistry, Research Skills.

Where is OMass Therapeutics's team located?

OMass Therapeutics staff are concentrated in England, United Kingdom (31), United Kingdom (12), Greater Oxford Area (6).

How big is OMass Therapeutics's research team?

OMass Therapeutics has about 32 people in Research, down 20% over the past year, as of September 2026.

How big is OMass Therapeutics's business development team?

OMass Therapeutics has about 14 people in Business Development, up 0% over the past year, as of September 2026.

Computed from 55 current and 58 former OMass Therapeutics profiles, as of September 2026. Source: Crustdata.

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